Step
*
of Lemma
pnot-sub_wf
∀[v:formula()]. pnot-sub(v) ∈ formula() supposing ↑pnot?(v)
BY
{ DepprodCoDatatypeSelectorWf }
Latex:
Latex:
\mforall{}[v:formula()].  pnot-sub(v)  \mmember{}  formula()  supposing  \muparrow{}pnot?(v)
By
Latex:
DepprodCoDatatypeSelectorWf
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